Fix bare metal build

* Resolves COMPMID-6733

Change-Id: I7f0428719b5c0aa79a0b356c50bb801db16558e8
Signed-off-by: Pablo Marquez Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10792
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: <felixjohnny.thomasmathibalan@arm.com>
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/SConstruct b/SConstruct
index 3eee4c0..746d4a6 100644
--- a/SConstruct
+++ b/SConstruct
@@ -66,7 +66,7 @@
         if  any(i in data_types for i in ['all', 'fp16']):
             env.Append(CXXFLAGS = ['-DENABLE_FP16_KERNELS'])
     else:
-            if not 'v8a' in env['arch'] and not 'v7a' in env['arch']:
+            if not 'v8a' in env['arch'] and not 'v7a' in env['arch'] and not 'armv8r64' in env['arch']:
                 if  any(i in data_types for i in ['all', 'fp16']):
                     env.Append(CXXFLAGS = ['-DENABLE_FP16_KERNELS'])